Traffic control devices and rail-highway crossings.
Title:
Traffic control devices and rail-highway crossings.
Author:
National Research Council (U.S.). Transportation Research Board.
ISBN:
9780309040631
Corporate Author:
Publication Information:
Washington, D.C. : Transportation Research Board, National Research Council, 1968.
Physical Description:
iv, 125 p. ; 28 cm.
Series:
Transportation research record, no. 1069.
Transportation research record ; 1069.
Added Corporate Author: